tiled 基本数据

2020-08-12 12:16:35 +08:00
parent c89ed25d8a
commit 167ef03df6
24 changed files with 2625 additions and 3 deletions
--- a/source/src/Tiled/Layer.ts
+++ b/source/src/Tiled/Layer.ts
@@ -0,0 +1,100 @@
+module es {
+    export class TmxLayer implements ITmxLayer {
+        public map: TmxMap;
+        public name: string;
+        public opacity: number;
+        public offsetX: number;
+        public offsetY: number;
+        public properties: Map<string, string>;
+        public visible: boolean;
+        public get offset(): Vector2 {
+            return new Vector2(this.offsetX, this.offsetY);
+        }
+
+        /**
+         * 这一层tile的宽度。对于固定大小的地图，始终与地图宽度相同。
+         */
+        public width: number;
+        /**
+         * 这一层的tile高度。对于固定大小的地图，始终与地图高度相同。
+         */
+        public height: number;
+        public tiles: TmxLayerTile[];
+
+        /**
+         * 回带有gid的TmxLayerTile。这是一个慢查询，所以要缓存它
+         * @param gid
+         */
+        public getTileWithGid(gid: number){
+            for (let i = 0; i < this.tiles.length; i ++){
+                if (this.tiles[i] && this.tiles[i].gid == gid)
+                    return this.tiles[i];
+            }
+
+            return null;
+        }
+    }
+
+    export class TmxLayerTile {
+        public static readonly FLIPPED_HORIZONTALLY_FLAG = 0x80000000;
+        public static readonly FLIPPED_VERTICALLY_FLAG = 0x40000000;
+        public static readonly FLIPPED_DIAGONALLY_FLAG = 0x20000000;
+
+        public tileset: TmxTileset;
+        public gid: number;
+        public x: number;
+        public y: number;
+        public get position(): Vector2{
+            return new Vector2(this.x, this.y);
+        }
+        public horizontalFlip: boolean;
+        public verticalFlip: boolean;
+        public diagonalFlip: boolean;
+        public _tilesetTileIndex?: number;
+
+        /**
+         * 获取此TmxLayerTile(如果存在)的TmxTilesetTile
+         * TmxTilesetTile只存在于动态的tiles和带有附加属性的tiles中。
+         */
+        public get tilesetTile(): TmxTilesetTile {
+            if (this._tilesetTileIndex == undefined){
+                this._tilesetTileIndex = -1;
+                if (this.tileset.firstGid <= this.gid){
+                    let tilesetTile = this.tileset.tiles.get(this.gid - this.tileset.firstGid);
+                    if (tilesetTile){
+                        this._tilesetTileIndex = this.gid - this.tileset.firstGid;
+                    }
+                }
+            }
+
+            if (this._tilesetTileIndex < 0)
+                return null;
+
+            return this.tileset.tiles.get(this._tilesetTileIndex);
+        }
+
+        constructor(map: TmxMap, id: number, x: number, y: number){
+            this.x = x;
+            this.y = y;
+            let rawGid = id;
+
+            // 扫描平铺反转位标志
+            let flip: boolean;
+            flip = (rawGid & TmxLayerTile.FLIPPED_HORIZONTALLY_FLAG) != 0;
+            this.horizontalFlip = flip;
+
+            flip = (rawGid & TmxLayerTile.FLIPPED_VERTICALLY_FLAG) != 0;
+            this.verticalFlip = flip;
+
+            flip = (rawGid & TmxLayerTile.FLIPPED_DIAGONALLY_FLAG) != 0;
+            this.diagonalFlip = flip;
+
+            // 零位标志
+            rawGid &= ~(TmxLayerTile.FLIPPED_HORIZONTALLY_FLAG | TmxLayerTile.FLIPPED_VERTICALLY_FLAG | TmxLayerTile.FLIPPED_DIAGONALLY_FLAG);
+
+            // 将GID保存
+            this.gid = rawGid;
+            this.tileset = map.getTilesetForTileGid(this.gid);
+        }
+    }
+}